Change pack
Cornerstone Jan 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 21 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 67 + 21

    Answer: 67 + 21 = 88
  2. 2. Algebra

    What is the next term? 2, 4, 8, 16, ...

    Answer: 32
  3. 3. Geometry

    Opposite = 14cm, adjacent = 12cm. Calculate the angle

    Answer: 49.4°
  4. 4. Ratio

    Simplify the ratio 8:12

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 15, 14, 17, 19

    Answer: 16.25

Tuesday 22 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9²

    Answer: 9² = 81
  2. 2. Algebra

    Factorise: 7x² + 2x

    Answer: x(7x + 2)
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Simplify the ratio 10:8

    Answer: 5:4
  5. 5. Statistics

    Find the range of: 18, 26, 14, 7, 11

    Answer: 19

Wednesday 23 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 88 + 54

    Answer: 88 + 54 = 142
  2. 2. Algebra

    Simplify: 7x + 9x

    Answer: 16x
  3. 3. Geometry

    Calculate the area of a circle with diameter 22cm

    Answer: 380.13cm²
  4. 4. Ratio

    Simplify the ratio 30:35

    Answer: 6:7
  5. 5. Statistics

    Calculate the range of: 44, 70, 98, 81, 64, 111

    Answer: 67

Thursday 24 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 88 + 69

    Answer: 88 + 69 = 157
  2. 2. Algebra

    Simplify: 7x + 5x

    Answer: 12x
  3. 3. Geometry

    Calculate the area of a circle with diameter 20cm

    Answer: 314.16cm²
  4. 4. Ratio

    Simplify: 20:16:8

    Answer: 5:4:2
  5. 5. Statistics

    Find the range of: 21, 11, 8, 24, 29

    Answer: 21

Friday 25 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 78 + 24

    Answer: 118
  2. 2. Algebra

    Factorise: 4x² + 6x

    Answer: 2x(2x + 3)
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify: 8:12:24

    Answer: 2:3:6
  5. 5. Statistics

    Calculate the mean of: 26, 46, 32, 20, 50, 26, 44

    Answer: 34.9